Home / 31,372,948.80-47,059,423.20-21,807,010.80

Finding the Fourth Proportional to 31,372,948.80, 47,059,423.20 and 21,807,010.80

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Solution

The fourth proportional to 31,372,948.80, 47,059,423.20 and 21,807,010.80 is: 32,710,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372,948.80 : 47,059,423.20 = 21,807,010.80 : x
  2. Step 2: Convert to fraction form
    31,372,948.80/47,059,423.20 = 21,807,010.80/x
  3. Step 3: Cross multiply
    31,372,948.80x = 47,059,423.20 × 21,807,010.80
  4. Step 4: Simplify right side
    31,372,948.80x = 1,026,225,349,964,170.62
  5. Step 5: Solve for x
    x = 1,026,225,349,964,170.62/31,372,948.80
  6. Step 6: Final answer
    x = 32,710,516.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.